| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | Inglourious Basterds | $49,432 | - | 7 | - | $7,061 | $64,386 | 1 | United International Pictures | true | false |
| 2 | 2 | The Proposal | $26,948 | -13.6% | 8 | - | $3,368 | $249,289 | 4 | Walt Disney Pictures | false | false |
| 3 | 1 | G-Force | $23,857 | -25.6% | 13 | - | $1,835 | $97,903 | 2 | Walt Disney Pictures | false | false |
| 4 | 3 | Ice Age: Dawn of the Dinosaurs | $20,564 | -12.7% | 21 | - | $979 | $1,268,299 | 8 | 20th Century Fox International | false | false |
| 5 | 4 | Ghosts of Girlfriends Past | $16,361 | <0.1% | 6 | - | $2,726 | $87,239 | 3 | Warner Bros. | false | false |
| 6 | 5 | Harry Potter and the Half-Blood Prince | $7,294 | -16.5% | 10 | - | $729 | $326,075 | 6 | Warner Bros. | false | false |
| 7 | 6 | Brüno | $6,700 | -17.9% | 10 | - | $670 | $373,108 | 7 | N/A | false | false |
| 8 | 7 | The Last House on the Left | $3,512 | -24.8% | 7 | - | $501 | $49,047 | 5 | United International Pictures | false | false |
